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Equation Vs. Expression
Prime Factorization
Properties of Operations
Writing Expressions & Equations
Solving Expressions and Equations
100
What is the difference between an equation and expression?
An equation is made of two expressions separated by an equal sign. An expression does not have an equal sign.
100
(2^3)(3^2) is the prime factorization of what number?
72
100
Which property is represented by 4 + 5 = 5 + 4?
The Commutative Property
100
Which of the following equations has the solution x = 2.4 12.4 = 6x 16.4 = 8x 36 = 15x 6.75 = 3x
36 = 15x
200
Which of the following is an equation? 5x 5x = 10 5x - 5 5/x
5x = 10
200
Describe what makes a number prime and give an example.
A number with only one and itself as factors. Examples may vary.
200
2(3n + 5) = 6n + 10 is an example of which property? Commutative, Distributive, or Associative
Distributive
200
Write an equation for the following: +1+1+1+1+1 = x +1+1
5 = x + 2
200
4 + (3 + 8)/ -5 + 8 15/-3 15/3 39/13 39/3
15/3
300
Give an example of an expression that includes the variable t.
Answers may vary.
300

(3^3)(5^2) is the prime factorization of what number?

675

300
The following expressions are equivalent to 4n + 3n except: 3n + 4n 7n - 3n n+n+n+n+n+n+n 2n + 6n
2n + 6n
300

Sofie spends $3.25 a day for lunch. Her cafeteria lunch account has $36 in it. Write an equation that could be use to solve for d, the number days she can eat without adding money to the account. (HINT: $36 is the total)

3.25d=36

300
Solve for x 4/5x = 4
5
400
Which of the following is an expression? 3x + 2 = 7 4 + 2 5n = 10
4 + 2
400
Write the prime factorization of 36.
(2^2)(3^2)
400
Write an expression equivalent to 3(4x + 2) using the distributive method.
12x + 6
400
A store is having a 25% off sale. You saved $200 on your purchases. Use m to represent the amount of money you spent before the discount. Write an equation for this real world example.
0.25m = 200
400
[3(25 - 1.5 +4) + 1.5] / 3
28
500
Which expression is not equivalent to 6t - 10? 2(3t - 5) 6t + -10 10 + 6t -10 + 6t
10 + 6t
500
Which of the following is equivalent to this prime factorization? (2^3)(5)(7) 30(7) (4)(5)(14) 10(7) (2)(15)(7)
(4)(5)(14)
500
Molly wrote the expression 3x + 4z as her answer to a math problem. Faith wrote the same answer as Molly using the Commutative Property. What is Faith's answer?
4z + 3x
500
Caesar wants to draw a set of complementary angles labeled
23 + x = 90; m
500
Each pack of candy canes cost $2.50. Merry spent a total of $32.50. What is the value of x? 2.5x = 32.5
x = 13